Scrap-free plastic in-mold cutting mechanism

Abstract

The utility model discloses a scrap-free plastic in-mold cutting mechanism, which relates to the technical field of terminal encapsulation, and comprises a base and a cutting assembly, a lower mold is arranged in the base, an upper mold is arranged at the top of the lower mold, the cutting assembly is arranged at the top of the upper mold, and the cutting assembly is arranged at the top of the lower mold. The cutting assembly comprises a sliding column, a mounting base, a cutting insert, a cutting base and an avoiding hole. According to the chip-free plastic in-mold cutting mechanism, through the arrangement of the cutting assembly, during mold closing, the mounting base can be pushed to move through an external injection molding machine, so that the cutting insert is aligned with the material bridge for cutting, meanwhile, in the cutting process, the cutting base can support a terminal, pressure acts on one end of the material bridge, the end of the material bridge is broken, and the cutting efficiency is improved. And subsequently, the material bridge can be bent in the avoiding hole by utilizing the bending part at the lower end of the cutting insert, and waste materials cannot be generated in the cutting process due to the fact that the cutting insert acts on the material bridge in a bending mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to terminal glue packing technical field, concretely is a no scrap plastic mould in -cut mechanism. BACKGROUND

[0002] The terminal is mainly used for transmitting electric signal or conducting electricity, and in the process of terminal glue packing mould, the terminal needs to be implanted into the injection mould for glue packing processing.

[0003] The existing terminal is implanted into the injection mould, and the material bridge on the terminal is not cut, the material bridge can be connected and fixed between the two contact pieces of the terminal, which is convenient for the placement and transfer operation of the terminal, but after the injection glue packing gets the semi-finished product, the product needs to be taken out and placed in the cutting tooling outside the machine for cutting to get the finished product, which needs to invest additional personnel to move the terminal to the cutting tooling for cutting, and the cutting automation equipment needs to be invested in the early stage, which reduces the enterprise benefit. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a no scrap plastic mould in -cut mechanism to solve the problems in the above background.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a no scrap plastic mould in -cut mechanism, including base and cutting assembly, the base and cutting assembly, the inside of the base is located with lower mould, and the top of lower mould is provided with upper mould, the cutting assembly is located at the top of upper mould, the cutting assembly includes slide column, mounting seat, cutting insert, cutting seat and avoiding hole, the top of upper mould is fixed with slide column, the outer side of slide column is slidably connected with mounting seat, the inside of mounting seat is provided with cutting insert, the inside of lower mould is fixed with cutting seat, and the inside of cutting seat is provided with avoiding hole.

[0006] Further, the lower end of the cutting insert is curved, and the cutting insert is slidably connected with the upper mold.

[0007] Further, the inside of the lower mold is provided with a cavity, and the inside of the cavity is provided with a product.

[0008] Further, the product includes a terminal and a material bridge, the inside of the cavity is provided with a terminal, and the middle part of the terminal is provided with a material bridge.

[0009] Further, the product further includes a plastic sleeve and a positioning hole, the outside of the terminal is provided with a plastic sleeve, and the outside of the terminal is provided with a positioning hole.

[0010] Further, the inside of the lower mold is provided with a positioning column, and the diameter of the positioning column matches the inner diameter of the positioning hole.

[0011] Further, the inside of the upper die is arranged with a fixed rod, and the bottom of the fixed rod is annular.

[0012] Further, the bottom of the product is provided with a thimble, and the thimble is in sliding connection with the lower die.

[0013] The utility model provides a kind of no scrap plastic mould inner cutting mechanism, with following beneficial effects:

[0014] 1, the utility model discloses a cutting assembly is arranged, when clamping, it can also be moved by the injection molding machine outside to push mounting seat, so that cutting insert is aligned to material bridge cutting, while in the process of cutting, cutting seat will support terminal, so that the pressure is applied to one end of material bridge, will make material bridge end break, subsequent can be bent in the avoidance hole by the lower end bending part of cutting insert, since the bending form is used in the material bridge of cutting insert, waste will not be generated in cutting, so after clamping is finished, injection molding machine starts injection molding and then opens mold to take out finished product, through the above innovative mechanism, it is beneficial to save manpower and the development cost of development automatic cutting equipment;

[0015] 2, the utility model discloses the setting of positioning column, when terminal is implanted, it can be matched with positioning hole, can position terminal, avoid its deflection, and in the process of cutting, since sliding column and mounting seat are in sliding connection, therefore, when clamping, it can first be clamped to terminal by lower die and upper die, then mounting seat is slid down along sliding column, so that cutting assembly is cut and bent, to further improve the stability in the process of terminal cutting. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model a kind of no scrap plastic mould inner cutting mechanism;

[0017] Figure 2 It is the lower die three-dimensional structure schematic diagram of the utility model a kind of no scrap plastic mould inner cutting mechanism;

[0018] Figure 3 It is the product three-dimensional structure schematic diagram of the utility model a kind of no scrap plastic mould inner cutting mechanism;

[0019] Figure 4 It is the cutting assembly section structure schematic diagram of the utility model a kind of no scrap plastic mould inner cutting mechanism;

[0020] Figure 5 It is the Figure 4 Enlarged structure schematic diagram of the utility model a kind of no scrap plastic mould inner cutting mechanism in A place.

[0021] In the figure: 1, base; 2, lower mold; 3, cavity; 4, product; 401, terminal; 402, material bridge; 403, plastic sleeve; 404, positioning hole; 5, upper mold; 6, cutting assembly; 601, slide column; 602, mounting seat; 603, cutting insert; 604, cutting seat; 605, avoiding hole; 7, positioning column; 8, fixing rod; 9, ejector pin. DETAILED DESCRIPTION

[0022] The embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0023] As Figures 1 to 5 shown, a kind of material chip-free plastic mould inner cutting mechanism, including base 1 and cutting assembly 6, base 1 and cutting assembly 6, the inside of base 1 is placed with lower mold 2, and the top of lower mold 2 is provided with upper mold 5, the inside of lower mold 2 is opened with cavity 3, and the inside of cavity 3 is provided with product 4, product 4 includes terminal 401 and material bridge 402, the inside of cavity 3 is provided with terminal 401, and the middle part of terminal 401 is provided with material bridge 402, product 4 also includes plastic sleeve 403 and positioning hole 404, the outside of terminal 401 is provided with plastic sleeve 403, and the outside of terminal 401 is opened with positioning hole 404, positioning hole 404 is convenient for the positioning of terminal 401, cutting assembly 6 is placed in the top of upper mold 5, cutting assembly 6 includes slide column 601, mounting seat 602, cutting insert 603, cutting seat 604 and avoiding hole 605, the top of upper mold 5 is fixed with slide column 601, and the outside of slide column 601 is slidably connected with mounting seat 602, and the inside of mounting seat 602 is provided with cutting insert 603, when moulding, cutting insert 603 will cut material bridge 402 in alignment, the inside of lower mold 2 is fixed with cutting seat 604, and avoiding hole 605 is opened in the inside of cutting seat 604, cutting seat 604 will support terminal 401, the lower end side of cutting insert 603 is curved, and cutting insert 603 is slidably connected with upper mold 5, in the process of cutting, pressure will act on one end of material bridge 402, so that one end of material bridge 402 breaks, subsequent can be bent in avoiding hole 605 using the lower end curved part of cutting insert 603, so that there is no material waste in cutting.

[0024] As Figure 4 and Figure 5As shown, the inside of the lower mold 2 is provided with a positioning column 7, and the diameter of the positioning column 7 matches the inner diameter of the positioning hole 404, when the terminal 401 is implanted, the positioning column 7 matches the positioning hole 404, so that the terminal 401 can be positioned to avoid deflection, the inside of the upper mold 5 is provided with a fixing rod 8, and the bottom of the fixing rod 8 is annular, when injection molding, the fixing rod 8 forms an annular groove on the plastic sleeve 403, the bottom of the product 4 is provided with a thimble 9, and the thimble 9 is in sliding connection with the lower mold 2, and the thimble 9 is driven by the driving device on the injection molding machine to eject the product 4, so that the finished product is conveniently taken out.

[0025] In summary, the scrap-free plastic mold internal cutting mechanism is used, first, according to Figures 1 to 5 As shown in the structure, first, the terminal 401 is placed in the cavity 3, and the upper end of the positioning column 7 is inserted into the positioning hole 404 to quickly position the terminal 401, second, the driving device on the injection molding machine drives the lower mold 2 and the mounting seat 602 to move respectively, so that the lower mold 2 and the upper mold 5 are clamped, and the terminal 401 is clamped and positioned, then, when the mounting seat 602 slides along the slide column 601, the cutting insert 603 is aligned with the material bridge 402, and in the cutting process, the cutting seat 604 supports the terminal 401, so that the pressure acts on one end of the material bridge 402, and the other end of the material bridge 402 is broken, and then the lower end of the cutting insert 603 is bent in the avoiding hole 605, since the cutting insert 603 acts on the material bridge 402 in the form of bending, no material is wasted in cutting, then, the injection molding machine starts to injection mold, so that the plastic sleeve 403 is wrapped on the terminal 401, and the annular groove is formed on the plastic sleeve 403 by the fixing rod 8, finally, after the product 4 is cooled and formed, the mold is opened, and the thimble 9 is driven by the driving device on the injection molding machine to eject the product 4, so that the finished product is conveniently taken out.

[0026] The embodiments of the present application are given for the purpose of illustration and description, and are not exhaustive or limit the present application to the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to better illustrate the principles and actual applications of the present application, and to enable those of ordinary skill in the art to understand the present application so as to design various embodiments with various modifications for specific purposes.

Claims

1. A chipless plastic in-mold cutting mechanism comprising a base (1) and a cutting assembly (6), characterized in that, The base (1) and cutting assembly (6), the inside of the base (1) is provided with a lower mold (2), and the top of the lower mold (2) is provided with an upper mold (5), the cutting assembly (6) is arranged on the top of the upper mold (5), the cutting assembly (6) comprises a slide column (601), a mounting seat (602), a cutting insert (603), a cutting seat (604) and a avoiding hole (605), the top of the upper mold (5) is fixedly provided with the slide column (601), the outer side of the slide column (601) is slidably connected with the mounting seat (602), the inside of the mounting seat (602) is provided with the cutting insert (603), the inside of the lower mold (2) is fixedly provided with the cutting seat (604), and the inside of the cutting seat (604) is provided with the avoiding hole (605).

2. A chipless plastic in-mold cutting mechanism according to claim 1, wherein, The lower end of the cutting insert (603) is curved, and the cutting insert (603) is slidably connected with the upper mold (5).

3. A chipless plastic in-mold cutting mechanism according to claim 1, wherein, The inside of the lower mold (2) is provided with a cavity (3), and the inside of the cavity (3) is provided with a product (4).

4. A chipless plastic in-mold cutting mechanism according to claim 3, wherein, The product (4) comprises a terminal (401) and a material bridge (402), the inside of the cavity (3) is provided with the terminal (401), and the middle of the terminal (401) is provided with the material bridge (402).

5. A chipless plastic in-mold cutting mechanism according to claim 4, wherein, The product (4) further comprises a plastic sleeve (403) and a positioning hole (404), the outer side of the terminal (401) is provided with the plastic sleeve (403), and the outer end of the terminal (401) is provided with the positioning hole (404).

6. A chipless plastic in-mold cutting mechanism according to claim 1, wherein, The inside of the lower mold (2) is provided with a positioning column (7), and the diameter of the positioning column (7) matches the inner diameter of the positioning hole (404).

7. A chipless plastic in-mold cutting mechanism according to claim 1, wherein, The inside of the upper mold (5) is provided with a fixing rod (8), and the bottom of the fixing rod (8) is annular.

8. A chipless plastic in-mold cutting mechanism according to claim 4, wherein, The bottom of the product (4) is provided with a thimble (9), and the thimble (9) is slidably connected with the lower mold (2).

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